http://netbsd.i2p/docs/guide/en/chap-net-intro.html
Besides that, you should
know how to handle the utilities we're going to set up here,
i.e., you should know how to use telnet, FTP, ... I will not
explain the basic features of those utilities, please refer to
the appropriate manual pages, the references listed or, of
course, the other parts of this document instead.